Clean-up is also underway, though it's been slow-going in the hardest-hit neighborhoods. The City's SAME emergency service has said at least six people were killed, and the toll could continue to rise.

Residents look at a submerged car in a flooded street after a rainstorm. (Enrique Marcarian/Reuters)A man is seen next to a boat in a flooded street after a rainstorm. (Enrique Marcarian/Reuters)A man paddles through a flooded street after a rainstorm. (Enrique Marcarian/Reuters)Residents look down from a balcony at a flooded street after a rainstorm in Buenos Aires. (Enrique Marcarian/Reuters)

Residents sit on a bench at a flooded public square after a rainstorm in Buenos Aires.